Finding the Fourth Proportional to 83,657.36, 125,486.19 and 58,808.57
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Solution
The fourth proportional to 83,657.36, 125,486.19 and 58,808.57 is: 88,212.95
Step by Step Solution
- Step 1: Write the proportion equation
83,657.36 : 125,486.19 = 58,808.57 : x - Step 2: Convert to fraction form
83,657.36/125,486.19 = 58,808.57/x - Step 3: Cross multiply
83,657.36x = 125,486.19 × 58,808.57 - Step 4: Simplify right side
83,657.36x = 7,379,662,761.22 - Step 5: Solve for x
x = 7,379,662,761.22/83,657.36 - Step 6: Final answer
x = 88,212.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.